re: Official Tennis Discussion Thread
My top 6 (no order):
Hewitt/Sampras US 2001
Hewitt/Fed from 2003 (iirc Davis Cup)
Novak/Rafa Aus Open 12
That's 'recent' tennis, and obviously not including some of the epic Sampras/Agassi clashes, or the Stefan Edberg matches, or Boris Becker or Jim Courier master classes.